Genibus; Service; Maintenance; Replacement Of Io - Grundfos IO 351 Montage- Und Betriebsanleitung

9. GENIbus

CU 351 and IO 351 and E-pumps communicate by
means of GENIbus.

10. Service

IO 351 cannot be serviced. If the module is faulty, it
must be replaced. See section 12. Replacement of
IO 351.

11. Maintenance

The IO 351 is maintenance-free during normal use
and operation. IO 351 must only be cleaned with a
dust-free cloth.

12. Replacement of IO 351

1. Switch off the power supply to the IO 351.
2. Switch off the power supply to components with
external supply.
3. Mark the individual conductors with the numbers
of the corresponding terminals.
4. Disconnect all conductors.
5. Pull the locking tabs free of the rail, see fig. 9.
The module can now be lifted off the rail.
6. Mount the new IO 351, see section
Fig. 9 Rail locking tabs

13. Dimensions

Fig. 10

14. Disposal

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
3.4 Mounting.
Dimensional sketch
13